20055645

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4327}}^1$

素因数の和:4441

約数の個数: 24

約数和(自身を含む): 35108736

約数和(自身を除く): 15053091

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4327, 4635, 12981, 21635, 38943, 64905, 194715, 445681, 1337043, 2228405, 4011129, 6685215, 20055645]

約数ペア:

[(1, 20055645), (3, 6685215), (5, 4011129), (9, 2228405), (15, 1337043), (45, 445681), (103, 194715), (309, 64905), (515, 38943), (927, 21635), (1545, 12981), (4327, 4635)]